In GPS positioning, a lower value of PDOP (Position Dilution of Precision) indicates:
Choose the correct answer
Fewer satellites in view
Poorer positioning accuracy
Better satellite geometry and higher positioning accuracy
Higher atmospheric delay
Correct Answer
C. Better satellite geometry and higher positioning accuracy
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PDOP = Position Dilution of Precision. Lower PDOP = satellites well spread in sky = better geometry = more accurate position. PDOP < 4: excellent; 4-6: good; 6-8: moderate; > 8: poor. DOP multiplied by inherent measurement error gives actual position error. PDOP = sqrt(HDOP^2 + VDOP^2).
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